1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the 'License'). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | /*␊ |
25 | * drivers.c - Driver Loading Functions.␊ |
26 | *␊ |
27 | * Copyright (c) 2000 Apple Computer, Inc.␊ |
28 | *␊ |
29 | * DRI: Josh de Cesare␊ |
30 | */␊ |
31 | ␊ |
32 | #include <mach-o/fat.h>␊ |
33 | #include <libkern/OSByteOrder.h>␊ |
34 | #include <mach/machine.h>␊ |
35 | ␊ |
36 | #include "sl.h"␊ |
37 | #include "boot.h"␊ |
38 | #include "bootstruct.h"␊ |
39 | #include "xml.h"␊ |
40 | #include "ramdisk.h"␊ |
41 | #include "modules.h"␊ |
42 | ␊ |
43 | #if DEBUG␊ |
44 | ␉#define DBG(x...)␉printf(x)␊ |
45 | #else␊ |
46 | ␉#define DBG(x...)␉msglog(x)␊ |
47 | #endif␊ |
48 | ␊ |
49 | // extern char gMacOSVersion[8];␊ |
50 | ␊ |
51 | struct Module { ␊ |
52 | ␉struct Module *nextModule;␊ |
53 | ␉long willLoad;␊ |
54 | ␉TagPtr dict;␊ |
55 | ␉char *plistAddr;␊ |
56 | ␉long plistLength;␊ |
57 | ␉char *executablePath;␊ |
58 | ␉char *bundlePath;␊ |
59 | ␉long bundlePathLength;␊ |
60 | };␊ |
61 | typedef struct Module Module, *ModulePtr;␊ |
62 | ␊ |
63 | struct DriverInfo {␊ |
64 | ␉char *plistAddr;␊ |
65 | ␉long plistLength;␊ |
66 | ␉void *executableAddr;␊ |
67 | ␉long executableLength;␊ |
68 | ␉void *bundlePathAddr;␊ |
69 | ␉long bundlePathLength;␊ |
70 | };␊ |
71 | typedef struct DriverInfo DriverInfo, *DriverInfoPtr;␊ |
72 | ␊ |
73 | #define kDriverPackageSignature1 'MKXT'␊ |
74 | #define kDriverPackageSignature2 'MOSX'␊ |
75 | ␊ |
76 | struct DriversPackage {␊ |
77 | ␉unsigned long signature1;␊ |
78 | ␉unsigned long signature2;␊ |
79 | ␉unsigned long length;␊ |
80 | ␉unsigned long adler32;␊ |
81 | ␉unsigned long version;␊ |
82 | ␉unsigned long numDrivers;␊ |
83 | ␉unsigned long reserved1;␊ |
84 | ␉unsigned long reserved2;␊ |
85 | };␊ |
86 | typedef struct DriversPackage DriversPackage;␊ |
87 | ␊ |
88 | enum {␊ |
89 | ␉kCFBundleType2,␊ |
90 | ␉kCFBundleType3␊ |
91 | };␊ |
92 | ␊ |
93 | long (*LoadExtraDrivers_p)(FileLoadDrivers_t FileLoadDrivers_p);␊ |
94 | ␊ |
95 | static inline unsigned long Adler32( unsigned char * buffer, long length );␊ |
96 | ␊ |
97 | long FileLoadDrivers(char *dirSpec, long plugin);␊ |
98 | long NetLoadDrivers(char *dirSpec);␊ |
99 | long LoadDriverMKext(char *fileSpec);␊ |
100 | long LoadDriverPList(char *dirSpec, char *name, long bundleType);␊ |
101 | long LoadMatchedModules(void);␊ |
102 | ␊ |
103 | static long MatchPersonalities(void);␊ |
104 | static long MatchLibraries(void);␊ |
105 | #ifdef NOTDEF␊ |
106 | ␉static ModulePtr FindModule(char *name);␊ |
107 | ␉static void ThinFatFile(void **loadAddrP, unsigned long *lengthP);␊ |
108 | #endif␊ |
109 | static long ParseXML(char *buffer, ModulePtr *module, TagPtr *personalities);␊ |
110 | static long InitDriverSupport(void);␊ |
111 | ␊ |
112 | ModulePtr gModuleHead, gModuleTail;␊ |
113 | static TagPtr␉gPersonalityHead, gPersonalityTail;␊ |
114 | static char␉*gExtensionsSpec;␊ |
115 | static char␉*gDriverSpec;␊ |
116 | static char␉*gFileSpec;␊ |
117 | static char␉*gTempSpec;␊ |
118 | static char␉*gFileName;␊ |
119 | // Bungo:␊ |
120 | char gDarwinBuildVerStr[256] = "Darwin Kernel Version";␊ |
121 | ␊ |
122 | static inline unsigned long Adler32( unsigned char *buffer, long length )␊ |
123 | {␊ |
124 | ␉long cnt;␊ |
125 | ␉unsigned long result, lowHalf, highHalf;␊ |
126 | ␊ |
127 | ␉lowHalf = 1;␊ |
128 | ␉highHalf = 0;␊ |
129 | ␊ |
130 | ␉for (cnt = 0; cnt < length; cnt++)␊ |
131 | ␉{␊ |
132 | ␉␉if ((cnt % 5000) == 0)␊ |
133 | ␉␉{␊ |
134 | ␉␉␉lowHalf %= 65521L;␊ |
135 | ␉␉␉highHalf %= 65521L;␊ |
136 | ␉␉}␊ |
137 | ␊ |
138 | ␉␉lowHalf += buffer[cnt];␊ |
139 | ␉␉highHalf += lowHalf;␊ |
140 | ␉}␊ |
141 | ␊ |
142 | ␉lowHalf %= 65521L;␊ |
143 | ␉highHalf %= 65521L;␊ |
144 | ␊ |
145 | ␉result = (highHalf << 16) | lowHalf;␊ |
146 | ␊ |
147 | ␉return result;␊ |
148 | }␊ |
149 | ␊ |
150 | //==========================================================================␊ |
151 | // InitDriverSupport␊ |
152 | static long InitDriverSupport( void )␊ |
153 | {␊ |
154 | ␉gExtensionsSpec = malloc( 4096 );␊ |
155 | ␉gDriverSpec = malloc( 4096 );␊ |
156 | ␉gFileSpec = malloc( 4096 );␊ |
157 | ␉gTempSpec = malloc( 4096 );␊ |
158 | ␉gFileName = malloc( 4096 );␊ |
159 | ␊ |
160 | ␉if ( !gExtensionsSpec || !gDriverSpec || !gFileSpec || !gTempSpec || !gFileName )␊ |
161 | ␉{␊ |
162 | ␉␉stop("InitDriverSupport error");␊ |
163 | ␉}␊ |
164 | ␊ |
165 | ␉return 0;␊ |
166 | }␊ |
167 | ␊ |
168 | //==========================================================================␊ |
169 | // LoadDrivers␊ |
170 | long LoadDrivers( char *dirSpec )␊ |
171 | {␊ |
172 | ␉char dirSpecExtra[1024];␊ |
173 | ␊ |
174 | ␉if ( InitDriverSupport() != 0 )␊ |
175 | ␉{␊ |
176 | ␉␉return 0;␊ |
177 | ␉}␊ |
178 | ␊ |
179 | ␉// ========================================␊ |
180 | ␊ |
181 | ␉// Load extra drivers if a hook has been installed.␊ |
182 | ␉if (LoadExtraDrivers_p != NULL)␊ |
183 | ␉{␊ |
184 | ␉␉(*LoadExtraDrivers_p)(&FileLoadDrivers);␊ |
185 | ␉}␊ |
186 | ␊ |
187 | ␉if ( gBootFileType == kNetworkDeviceType )␊ |
188 | ␉{␊ |
189 | ␉␉if (NetLoadDrivers(dirSpec) != 0)␊ |
190 | ␉␉{␊ |
191 | ␉␉␉error("LoadDrivers: Could not load drivers from the network\n");␊ |
192 | ␉␉␉return -1;␊ |
193 | ␉␉}␊ |
194 | ␉}␊ |
195 | ␉else if ( gBootFileType == kBlockDeviceType )␊ |
196 | ␉{␊ |
197 | ␉␉// First try to load Extra extensions from the ramdisk if isn't aliased as bt(0,0).␊ |
198 | ␉␉if (gRAMDiskVolume && !gRAMDiskBTAliased)␊ |
199 | ␉␉{␊ |
200 | ␉␉␉strcpy(dirSpecExtra, "rd(0,0)/Extra/");␊ |
201 | ␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
202 | ␉␉}␊ |
203 | ␉␉verbose("Attempting to loading drivers from \"Extra\" repository:\n");␊ |
204 | ␊ |
205 | ␉␉// =====================================================================␊ |
206 | ␉␉// Firstly try to load drivers from Common folder␊ |
207 | ␉␉sprintf(dirSpecExtra, "bt(0,0)/Extra/Common/");␊ |
208 | ␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
209 | ␉␉// =====================================================================␊ |
210 | ␊ |
211 | ␉␉// Next try to load Extra extensions from the selected root partition.␊ |
212 | ␉␉strlcpy(dirSpecExtra, "/Extra/", sizeof(dirSpecExtra));␊ |
213 | ␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
214 | ␉␉{␊ |
215 | ␉␉␉// If failed, then try to load Extra extensions from the boot partition␊ |
216 | ␉␉␉// in case we have a separate booter partition or a bt(0,0) aliased ramdisk.␊ |
217 | ␉␉␉if ( !(gBIOSBootVolume->biosdev == gBootVolume->biosdev && gBIOSBootVolume->part_no == gBootVolume->part_no)␊ |
218 | ␉␉␉␉|| (gRAMDiskVolume && gRAMDiskBTAliased) )␊ |
219 | ␉␉␉{␊ |
220 | ␉␉␉␉// Next try a specfic OS version folder ie 10.5␊ |
221 | ␉␉␉␉sprintf(dirSpecExtra, "bt(0,0)/Extra/%s/", &gMacOSVersion[0]);␊ |
222 | ␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0) {␊ |
223 | ␉␉␉␉␉// Next we'll try the base␊ |
224 | ␉␉␉␉␉strlcpy(dirSpecExtra, "bt(0,0)/Extra/", sizeof(dirSpecExtra));␊ |
225 | ␉␉␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
226 | ␉␉␉␉}␊ |
227 | ␉␉␉}␊ |
228 | ␉␉}␊ |
229 | ␉␉if(!gHaveKernelCache)␊ |
230 | ␉␉{␊ |
231 | ␉␉␉// Don't load main driver (from /System/Library/Extentions) if gHaveKernelCache is set.␊ |
232 | ␉␉␉// since these drivers will already be in the kernel cache.␊ |
233 | ␉␉␉// NOTE: when gHaveKernelCache, xnu cannot (by default) load *any* extra kexts from the bootloader.␊ |
234 | ␉␉␉// The /Extra code is not disabled in this case due to a kernel patch that allows for this to happen.␊ |
235 | ␊ |
236 | ␉␉␉// Also try to load Extensions from boot helper partitions.␊ |
237 | ␉␉␉if (gBootVolume->flags & kBVFlagBooter)␊ |
238 | ␉␉␉{␊ |
239 | ␉␉␉␉strlcpy(dirSpecExtra, "/com.apple.boot.P/System/Library/", sizeof(dirSpecExtra));␊ |
240 | ␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
241 | ␉␉␉␉{␊ |
242 | ␉␉␉␉␉strlcpy(dirSpecExtra, "/com.apple.boot.R/System/Library/", sizeof(dirSpecExtra));␊ |
243 | ␉␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
244 | ␉␉␉␉␉{␊ |
245 | ␉␉␉␉␉␉strlcpy(dirSpecExtra, "/com.apple.boot.S/System/Library/", sizeof(dirSpecExtra));␊ |
246 | ␉␉␉␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
247 | ␉␉␉␉␉}␊ |
248 | ␉␉␉␉}␊ |
249 | ␉␉␉}␊ |
250 | ␊ |
251 | ␉␉␉if (gMKextName[0] != '\0')␊ |
252 | ␉␉␉{␊ |
253 | ␉␉␉␉verbose("LoadDrivers: Loading from '%s'\n", gMKextName);␊ |
254 | ␉␉␉␉if ( LoadDriverMKext(gMKextName) != 0 )␊ |
255 | ␉␉␉␉{␊ |
256 | ␉␉␉␉␉error("Could not load %s\n", gMKextName);␊ |
257 | ␉␉␉␉␉return -1;␊ |
258 | ␉␉␉␉}␊ |
259 | ␉␉␉}␊ |
260 | ␉␉␉else␊ |
261 | ␉␉␉{␊ |
262 | ␉␉␉␉verbose("Attempting to loading drivers from standard repositories:\n");␊ |
263 | ␊ |
264 | ␉␉␉␉if ( (gMacOSVersion[3] == '9') || ((gMacOSVersion[3] == '1') && ((gMacOSVersion[4] == '0') || (gMacOSVersion[4] == '1') || (gMacOSVersion[4] == '2') ) )) // issue 352␊ |
265 | ␉␉␉␉{␊ |
266 | ␉␉␉␉␉verbose("\t- Third party extensions search path: /Library/Extensions\n");␊ |
267 | ␉␉␉␉␉strlcpy(gExtensionsSpec, dirSpec, 4087); /* 4096 - sizeof("Library/") mean 4096 - 9 = 4087 */␊ |
268 | ␉␉␉␉␉strcat(gExtensionsSpec, "Library/");␊ |
269 | ␉␉␉␉␉FileLoadDrivers(gExtensionsSpec, 0);␊ |
270 | ␉␉␉␉}␊ |
271 | ␊ |
272 | ␉␉␉␉verbose("\t- Apple extensions search path: /System/Library/Extensions\n");␊ |
273 | ␉␉␉␉strlcpy(gExtensionsSpec, dirSpec, 4080); /* 4096 - sizeof("System/Library/") mean 4096 -16 = 4080 */␊ |
274 | ␉␉␉␉strcat(gExtensionsSpec, "System/Library/");␊ |
275 | ␉␉␉␉FileLoadDrivers(gExtensionsSpec, 0);␊ |
276 | ␉␉␉}␊ |
277 | ␊ |
278 | ␉␉}␊ |
279 | ␉}␊ |
280 | ␉else␊ |
281 | ␉{␊ |
282 | ␉␉return 0;␊ |
283 | ␉}␊ |
284 | ␊ |
285 | ␉MatchPersonalities();␊ |
286 | ␊ |
287 | ␉MatchLibraries();␊ |
288 | ␊ |
289 | ␉LoadMatchedModules();␊ |
290 | ␊ |
291 | ␉return 0;␊ |
292 | }␊ |
293 | ␊ |
294 | //==========================================================================␊ |
295 | // FileLoadMKext␊ |
296 | static long FileLoadMKext( const char *dirSpec, const char *extDirSpec )␊ |
297 | {␊ |
298 | ␉long␉␉ret, flags;␊ |
299 | ␉u_int32_t␉time, time2;␊ |
300 | ␉char␉␉altDirSpec[512];␊ |
301 | ␉␊ |
302 | ␉snprintf(altDirSpec, sizeof(altDirSpec), "%s%s", dirSpec, extDirSpec);␊ |
303 | ␉ret = GetFileInfo(altDirSpec, "Extensions.mkext", &flags, &time);␊ |
304 | ␊ |
305 | ␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeFlat))␊ |
306 | ␉{␊ |
307 | ␉␉ret = GetFileInfo(dirSpec, "Extensions", &flags, &time2);␊ |
308 | ␊ |
309 | ␉␉if ((ret != 0)␊ |
310 | ␉␉␉|| ((flags & kFileTypeMask) != kFileTypeDirectory)␊ |
311 | ␉␉␉|| (((gBootMode & kBootModeSafe) == 0) && (time == (time2 + 1))))␊ |
312 | ␉␉{␊ |
313 | ␉␉␉snprintf(gDriverSpec, sizeof(altDirSpec) + 18, "%sExtensions.mkext", altDirSpec);␊ |
314 | ␉␉␉verbose("LoadDrivers: Loading from '%s'\n", gDriverSpec);␊ |
315 | ␊ |
316 | ␉␉␉if (LoadDriverMKext(gDriverSpec) == 0)␊ |
317 | ␉␉␉{␊ |
318 | ␉␉␉␉return 0;␊ |
319 | ␉␉␉}␊ |
320 | ␉␉}␊ |
321 | ␉}␊ |
322 | ␉return -1;␊ |
323 | }␊ |
324 | ␊ |
325 | //==========================================================================␊ |
326 | // FileLoadDrivers␊ |
327 | long FileLoadDrivers( char *dirSpec, long plugin )␊ |
328 | {␊ |
329 | ␉long long␉index;␊ |
330 | ␉long␉␉ret, length, flags, bundleType;␊ |
331 | ␉long␉␉result = -1;␊ |
332 | ␉u_int32_t␉time;␊ |
333 | ␉const char␉* name;␊ |
334 | ␊ |
335 | ␉if ( !plugin )␊ |
336 | ␉{␊ |
337 | ␉␉// First try 10.6's path for loading Extensions.mkext.␊ |
338 | ␉␉if (FileLoadMKext(dirSpec, "Caches/com.apple.kext.caches/Startup/") == 0) {␊ |
339 | ␉␉␉return 0;␊ |
340 | ␉␉}␊ |
341 | ␊ |
342 | ␉␉// Next try the legacy path.␊ |
343 | ␉␉else if (FileLoadMKext(dirSpec, "") == 0)␊ |
344 | ␉␉{␊ |
345 | ␉␉␉return 0;␊ |
346 | ␉␉}␊ |
347 | ␊ |
348 | ␉␉strcat(dirSpec, "Extensions");␊ |
349 | ␉}␊ |
350 | ␊ |
351 | ␉index = 0;␊ |
352 | ␉while (1)␊ |
353 | ␉{␊ |
354 | ␉␉ret = GetDirEntry(dirSpec, &index, &name, &flags, &time);␊ |
355 | ␉␉if (ret == -1) {␊ |
356 | ␉␉␉break;␊ |
357 | ␉␉}␊ |
358 | ␊ |
359 | ␉␉// Make sure this is a directory.␊ |
360 | ␉␉if ((flags & kFileTypeMask) != kFileTypeDirectory)␊ |
361 | ␉␉{␊ |
362 | ␉␉␉continue;␊ |
363 | ␉␉}␊ |
364 | ␊ |
365 | ␉␉// Make sure this is a kext.␊ |
366 | ␉␉length = strlen(name);␊ |
367 | ␉␉if (strncmp(name + length - 5, ".kext", sizeof(".kext") ))␊ |
368 | ␉␉{␊ |
369 | ␉␉␉continue;␊ |
370 | ␉␉}␊ |
371 | ␊ |
372 | ␉␉// Save the file name.␊ |
373 | ␉␉strlcpy(gFileName, name, 4096);␊ |
374 | ␊ |
375 | ␉␉// Determine the bundle type.␊ |
376 | ␉␉snprintf(gTempSpec, 4096, "%s/%s", dirSpec, gFileName);␊ |
377 | ␉␉ret = GetFileInfo(gTempSpec, "Contents", &flags, &time);␊ |
378 | ␉␉if (ret == 0)␊ |
379 | ␉␉{␊ |
380 | ␉␉␉bundleType = kCFBundleType2;␊ |
381 | ␉␉}␊ |
382 | ␉␉else␊ |
383 | ␉␉{␊ |
384 | ␉␉␉bundleType = kCFBundleType3;␊ |
385 | ␉␉}␊ |
386 | ␊ |
387 | ␉␉if (!plugin)␊ |
388 | ␉␉{␊ |
389 | ␉␉␉snprintf(gDriverSpec, 4096, "%s/%s/%sPlugIns", dirSpec, gFileName, (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
390 | ␉␉}␊ |
391 | ␊ |
392 | ␉␉ret = LoadDriverPList(dirSpec, gFileName, bundleType);␊ |
393 | ␊ |
394 | ␉␉if (result != 0)␊ |
395 | ␉␉{␊ |
396 | ␉␉␉result = ret;␊ |
397 | ␉␉}␊ |
398 | ␊ |
399 | ␉␉if (!plugin)␊ |
400 | ␉␉{␊ |
401 | ␉␉␉FileLoadDrivers(gDriverSpec, 1);␊ |
402 | ␉␉}␊ |
403 | ␉}␊ |
404 | ␊ |
405 | ␉return result;␊ |
406 | }␊ |
407 | ␊ |
408 | //==========================================================================␊ |
409 | // ␊ |
410 | long NetLoadDrivers( char *dirSpec )␊ |
411 | {␊ |
412 | ␉long tries;␊ |
413 | ␊ |
414 | #if NODEF␊ |
415 | ␉long cnt;␊ |
416 | ␊ |
417 | ␉// Get the name of the kernel␊ |
418 | ␉cnt = strlen(gBootFile);␊ |
419 | ␉while (cnt--) {␊ |
420 | ␉␉if ((gBootFile[cnt] == '\\') || (gBootFile[cnt] == ','))␊ |
421 | ␉␉{␊ |
422 | ␉␉␉cnt++;␊ |
423 | ␉␉␉break;␊ |
424 | ␉␉}␊ |
425 | ␉}␊ |
426 | #endif␊ |
427 | ␊ |
428 | ␉// INTEL modification␊ |
429 | ␉snprintf(gDriverSpec, 4096, "%s%s.mkext", dirSpec, bootInfo->bootFile);␊ |
430 | ␊ |
431 | ␉verbose("NetLoadDrivers: Loading from [%s]\n", gDriverSpec);␊ |
432 | ␊ |
433 | ␉tries = 3;␊ |
434 | ␉while (tries--)␊ |
435 | ␉{␊ |
436 | ␉␉if (LoadDriverMKext(gDriverSpec) == 0)␊ |
437 | ␉␉{␊ |
438 | ␉␉␉break;␊ |
439 | ␉␉}␊ |
440 | ␉}␊ |
441 | ␉if (tries == -1)␊ |
442 | ␉{␊ |
443 | ␉␉return -1;␊ |
444 | ␉}␊ |
445 | ␊ |
446 | ␉return 0;␊ |
447 | }␊ |
448 | ␊ |
449 | //==========================================================================␊ |
450 | // loadDriverMKext␊ |
451 | long LoadDriverMKext( char *fileSpec )␊ |
452 | {␊ |
453 | ␉unsigned long␉driversAddr, driversLength;␊ |
454 | ␉long␉␉length;␊ |
455 | ␉char␉␉segName[32];␊ |
456 | ␉DriversPackage␉*package;␊ |
457 | ␊ |
458 | #define GetPackageElement(e) OSSwapBigToHostInt32(package->e)␊ |
459 | ␊ |
460 | ␉// Load the MKext.␊ |
461 | ␉length = LoadThinFatFile(fileSpec, (void **)&package);␊ |
462 | ␉if (length < sizeof (DriversPackage))␊ |
463 | ␉{␊ |
464 | ␉␉return -1;␊ |
465 | ␉}␊ |
466 | ␊ |
467 | ␉// call hook to notify modules that the mkext has been loaded␊ |
468 | ␉execute_hook("LoadDriverMKext", (void *)fileSpec, (void *)package, (void *) &length, NULL);␊ |
469 | ␊ |
470 | ␉␊ |
471 | ␉// Verify the MKext.␊ |
472 | ␉if (( GetPackageElement(signature1) != kDriverPackageSignature1) ||␊ |
473 | ␉␉( GetPackageElement(signature2) != kDriverPackageSignature2) ||␊ |
474 | ␉␉( GetPackageElement(length) > kLoadSize ) ||␊ |
475 | ␉␉( GetPackageElement(adler32) !=␊ |
476 | ␉␉Adler32((unsigned char *)&package->version, GetPackageElement(length) - 0x10) ) )␊ |
477 | ␉{␊ |
478 | ␉␉return -1;␊ |
479 | ␉}␊ |
480 | ␊ |
481 | ␉// Make space for the MKext.␊ |
482 | ␉driversLength = GetPackageElement(length);␊ |
483 | ␉driversAddr = AllocateKernelMemory(driversLength);␊ |
484 | ␊ |
485 | ␉// Copy the MKext.␊ |
486 | ␉memcpy((void *)driversAddr, (void *)package, driversLength);␊ |
487 | ␊ |
488 | ␉// Add the MKext to the memory map.␊ |
489 | ␉snprintf(segName, sizeof(segName), "DriversPackage-%lx", driversAddr);␊ |
490 | ␉AllocateMemoryRange(segName, driversAddr, driversLength, kBootDriverTypeMKEXT);␊ |
491 | ␊ |
492 | ␉return 0;␊ |
493 | }␊ |
494 | ␊ |
495 | //==========================================================================␊ |
496 | // LoadDriverPList␊ |
497 | long LoadDriverPList( char *dirSpec, char *name, long bundleType )␊ |
498 | {␊ |
499 | ␉long length, executablePathLength, bundlePathLength;␊ |
500 | ␉ModulePtr module;␊ |
501 | ␉TagPtr personalities;␊ |
502 | ␉char * buffer = 0;␊ |
503 | ␉char * tmpExecutablePath = 0;␊ |
504 | ␉char * tmpBundlePath = 0;␊ |
505 | ␉long ret = -1;␊ |
506 | ␊ |
507 | ␉do{␊ |
508 | ␉// Save the driver path.␊ |
509 | ␊ |
510 | ␉if(name)␊ |
511 | ␉{␊ |
512 | ␉␉snprintf(gFileSpec, 4096, "%s/%s/%s", dirSpec, name, (bundleType == kCFBundleType2) ? "Contents/MacOS/" : "");␊ |
513 | ␉}␊ |
514 | ␉else␊ |
515 | ␉{␊ |
516 | ␉␉snprintf(gFileSpec, 4096, "%s/%s", dirSpec, (bundleType == kCFBundleType2) ? "Contents/MacOS/" : "");␊ |
517 | ␉}␊ |
518 | ␉executablePathLength = strlen(gFileSpec) + 1;␊ |
519 | ␊ |
520 | ␉tmpExecutablePath = malloc(executablePathLength);␊ |
521 | ␉if (tmpExecutablePath == 0) {␊ |
522 | ␉␉break;␊ |
523 | ␉}␊ |
524 | ␉strlcpy(tmpExecutablePath, gFileSpec, executablePathLength);␊ |
525 | ␊ |
526 | ␉if(name)␊ |
527 | ␉{␊ |
528 | ␉␉snprintf(gFileSpec, 4096, "%s/%s", dirSpec, name);␊ |
529 | ␉}␊ |
530 | ␉else␊ |
531 | ␉{␊ |
532 | ␉␉strncpy(gFileSpec, dirSpec, 4096);␊ |
533 | ␉}␊ |
534 | ␉bundlePathLength = strlen(gFileSpec) + 1;␊ |
535 | ␊ |
536 | ␉tmpBundlePath = malloc(bundlePathLength);␊ |
537 | ␉if (tmpBundlePath == 0)␊ |
538 | ␉{␊ |
539 | ␉␉break;␊ |
540 | ␉}␊ |
541 | ␊ |
542 | ␉strlcpy(tmpBundlePath, gFileSpec, bundlePathLength);␊ |
543 | ␊ |
544 | ␉// Construct the file spec to the plist, then load it.␊ |
545 | ␊ |
546 | ␉if(name)␊ |
547 | ␉{␊ |
548 | ␉␉snprintf(gFileSpec, 4096, "%s/%s/%sInfo.plist", dirSpec, name, (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
549 | ␉}␊ |
550 | ␉else␊ |
551 | ␉{␊ |
552 | ␉␉snprintf(gFileSpec, 4096, "%s/%sInfo.plist", dirSpec, (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
553 | ␉}␊ |
554 | ␊ |
555 | ␉length = LoadFile(gFileSpec);␊ |
556 | ␊ |
557 | ␉if (length == -1)␊ |
558 | ␉{␊ |
559 | ␉␉break;␊ |
560 | ␉}␊ |
561 | ␊ |
562 | ␉length = length + 1;␊ |
563 | ␉buffer = malloc(length);␊ |
564 | ␊ |
565 | ␉if (buffer == 0)␊ |
566 | ␉{␊ |
567 | ␉␉break;␊ |
568 | ␉}␊ |
569 | ␊ |
570 | ␉strlcpy(buffer, (char *)kLoadAddr, length);␊ |
571 | ␊ |
572 | ␉// Parse the plist.␊ |
573 | ␊ |
574 | ␉ret = ParseXML(buffer, &module, &personalities);␊ |
575 | ␊ |
576 | ␉if (ret != 0) {␊ |
577 | ␉␉break;␊ |
578 | ␉}␊ |
579 | ␊ |
580 | ␉if (!module) // cparm␊ |
581 | ␉{␊ |
582 | ␉␉ret = -1;␊ |
583 | ␉␉break;␊ |
584 | ␉} // Should never happen but it will make the compiler happy␊ |
585 | ␊ |
586 | ␉// Allocate memory for the driver path and the plist.␊ |
587 | ␊ |
588 | ␉module->executablePath = tmpExecutablePath;␊ |
589 | ␉module->bundlePath = tmpBundlePath;␊ |
590 | ␉module->bundlePathLength = bundlePathLength;␊ |
591 | ␉module->plistAddr = malloc(length);␊ |
592 | ␊ |
593 | ␉if ((module->executablePath == 0) || (module->bundlePath == 0) || (module->plistAddr == 0))␊ |
594 | ␉{␊ |
595 | ␉␉break;␊ |
596 | ␉}␊ |
597 | ␊ |
598 | ␉// Save the driver path in the module.␊ |
599 | ␉//strcpy(module->driverPath, tmpDriverPath);␊ |
600 | ␉tmpExecutablePath = 0;␊ |
601 | ␉tmpBundlePath = 0;␊ |
602 | ␊ |
603 | ␉// Add the plist to the module.␊ |
604 | ␊ |
605 | ␉strlcpy(module->plistAddr, (char *)kLoadAddr, length);␊ |
606 | ␉module->plistLength = length;␊ |
607 | ␊ |
608 | ␉// Add the module to the end of the module list.␊ |
609 | ␊ |
610 | ␉if (gModuleHead == 0) {␊ |
611 | ␉␉gModuleHead = module;␊ |
612 | ␉} else ␉{␊ |
613 | ␉␉gModuleTail->nextModule = module;␊ |
614 | ␉}␊ |
615 | ␉gModuleTail = module;␊ |
616 | ␊ |
617 | ␉// Add the persionalities to the personality list.␊ |
618 | ␊ |
619 | ␉if (personalities) {␊ |
620 | ␉␉personalities = personalities->tag;␊ |
621 | ␉}␊ |
622 | ␉while (personalities != 0)␊ |
623 | ␉{␊ |
624 | ␉␉if (gPersonalityHead == 0) {␊ |
625 | ␉␉␉gPersonalityHead = personalities->tag;␊ |
626 | ␉␉} else {␊ |
627 | ␉␉␉gPersonalityTail->tagNext = personalities->tag;␊ |
628 | ␉␉}␊ |
629 | ␊ |
630 | ␉␉gPersonalityTail = personalities->tag;␊ |
631 | ␉␉personalities = personalities->tagNext;␊ |
632 | ␉}␊ |
633 | ␊ |
634 | ␉ret = 0;␊ |
635 | ␉}␊ |
636 | ␉while (0);␊ |
637 | ␊ |
638 | ␉if ( buffer ) {␊ |
639 | ␉␉free( buffer );␊ |
640 | ␉}␊ |
641 | ␉if ( tmpExecutablePath ) {␊ |
642 | ␉␉free( tmpExecutablePath );␊ |
643 | ␉}␊ |
644 | ␉if ( tmpBundlePath ) {␊ |
645 | ␉␉free( tmpBundlePath );␊ |
646 | ␉}␊ |
647 | ␉return ret;␊ |
648 | }␊ |
649 | ␊ |
650 | //==========================================================================␊ |
651 | // LoadMatchedModules␊ |
652 | long LoadMatchedModules( void )␊ |
653 | {␊ |
654 | ␉TagPtr␉␉ prop;␊ |
655 | ␉ModulePtr␉ module;␊ |
656 | ␉char␉␉ *fileName, segName[32];␊ |
657 | ␉DriverInfoPtr driver;␊ |
658 | ␉long␉␉ length, driverAddr, driverLength;␊ |
659 | ␉void␉␉ *executableAddr = 0;␊ |
660 | ␊ |
661 | ␉module = gModuleHead;␊ |
662 | ␊ |
663 | ␉while (module != 0)␊ |
664 | ␉{␊ |
665 | ␉␉if (module->willLoad)␊ |
666 | ␉␉{␊ |
667 | ␉␉␉prop = XMLGetProperty(module->dict, kPropCFBundleExecutable);␊ |
668 | ␊ |
669 | ␉␉␉if (prop != 0)␊ |
670 | ␉␉␉{␊ |
671 | ␉␉␉␉fileName = prop->string;␊ |
672 | ␉␉␉␉snprintf(gFileSpec, 4096, "%s%s", module->executablePath, fileName);␊ |
673 | ␊ |
674 | ␉␉␉␉length = LoadThinFatFile(gFileSpec, &executableAddr);␊ |
675 | ␉␉␉␉if (length == 0)␊ |
676 | ␉␉␉␉{␊ |
677 | ␉␉␉␉␉length = LoadFile(gFileSpec);␊ |
678 | ␉␉␉␉␉executableAddr = (void *)kLoadAddr;␊ |
679 | ␉␉␉␉}␊ |
680 | //␉␉␉␉printf("%s length = %d addr = 0x%x\n", gFileSpec, length, driverModuleAddr); getchar();␊ |
681 | ␉␉␉}␊ |
682 | ␉␉␉else␊ |
683 | ␉␉␉{␊ |
684 | ␉␉␉␉length = 0;␊ |
685 | ␉␉␉}␊ |
686 | ␊ |
687 | ␉␉␉if ((length != -1) && executableAddr)␊ |
688 | ␉␉␉{␊ |
689 | //␉␉␉␉driverModuleAddr = (void *)kLoadAddr;␊ |
690 | //␉␉␉␉if (length != 0)␊ |
691 | //␉␉␉␉{␊ |
692 | //␉␉␉␉␉ThinFatFile(&driverModuleAddr, &length);␊ |
693 | //␉␉␉␉}␊ |
694 | ␊ |
695 | ␉␉␉␉// Make make in the image area.␊ |
696 | ␊ |
697 | ␉␉␉␉execute_hook("LoadMatchedModules", module, &length, executableAddr, NULL);␊ |
698 | ␊ |
699 | ␉␉␉␉driverLength = sizeof(DriverInfo) + module->plistLength + length + module->bundlePathLength;␊ |
700 | ␉␉␉␉driverAddr = AllocateKernelMemory(driverLength);␊ |
701 | ␊ |
702 | ␉␉␉␉// Set up the DriverInfo.␊ |
703 | ␉␉␉␉driver = (DriverInfoPtr)driverAddr;␊ |
704 | ␉␉␉␉driver->plistAddr = (char *)(driverAddr + sizeof(DriverInfo));␊ |
705 | ␉␉␉␉driver->plistLength = module->plistLength;␊ |
706 | ␊ |
707 | ␉␉␉␉if (length != 0)␊ |
708 | ␉␉␉␉{␊ |
709 | ␉␉␉␉␉driver->executableAddr = (void *)(driverAddr + sizeof(DriverInfo) +␊ |
710 | ␉␉␉␉␉␉␉␉␉␉ module->plistLength);␊ |
711 | ␉␉␉␉␉driver->executableLength = length;␊ |
712 | ␉␉␉␉}␊ |
713 | ␉␉␉␉else␊ |
714 | ␉␉␉␉{␊ |
715 | ␉␉␉␉␉driver->executableAddr␉ = 0;␊ |
716 | ␉␉␉␉␉driver->executableLength = 0;␊ |
717 | ␉␉␉␉}␊ |
718 | ␊ |
719 | ␉␉␉␉driver->bundlePathAddr = (void *)(driverAddr + sizeof(DriverInfo) +␊ |
720 | ␉␉␉␉␉␉␉␉␉ module->plistLength + driver->executableLength);␊ |
721 | ␉␉␉␉driver->bundlePathLength = module->bundlePathLength;␊ |
722 | ␊ |
723 | ␉␉␉␉// Save the plist, module and bundle.␊ |
724 | ␉␉␉␉strlcpy(driver->plistAddr, module->plistAddr, driver->plistLength);␊ |
725 | ␊ |
726 | ␉␉␉␉if (length != 0)␊ |
727 | ␉␉␉␉{␊ |
728 | ␉␉␉␉␉memcpy(driver->executableAddr, executableAddr, length);␊ |
729 | ␉␉␉␉}␊ |
730 | ␊ |
731 | ␉␉␉␉strlcpy(driver->bundlePathAddr, module->bundlePath, module->bundlePathLength);␊ |
732 | ␊ |
733 | ␉␉␉␉// Add an entry to the memory map.␊ |
734 | ␉␉␉␉snprintf(segName, sizeof(segName), "Driver-%lx", (unsigned long)driver);␊ |
735 | ␉␉␉␉AllocateMemoryRange(segName, driverAddr, driverLength,␊ |
736 | ␉␉␉␉␉␉␉␉␉kBootDriverTypeKEXT);␊ |
737 | ␉␉␉}␊ |
738 | ␉␉}␊ |
739 | ␉␉module = module->nextModule;␊ |
740 | ␉}␊ |
741 | ␊ |
742 | ␉return 0;␊ |
743 | }␊ |
744 | ␊ |
745 | //==========================================================================␊ |
746 | // MatchPersonalities␊ |
747 | static long MatchPersonalities( void )␊ |
748 | {␊ |
749 | ␉/* IONameMatch support not implemented */␊ |
750 | ␉return 0;␊ |
751 | }␊ |
752 | ␊ |
753 | //==========================================================================␊ |
754 | // MatchLibraries␊ |
755 | static long MatchLibraries( void )␊ |
756 | {␊ |
757 | ␉TagPtr prop;␊ |
758 | ␉TagPtr prop2;␊ |
759 | ␉ModulePtr module;␊ |
760 | ␉ModulePtr module2;␊ |
761 | ␉long done;␊ |
762 | ␊ |
763 | ␉do {␊ |
764 | ␉␉done = 1;␊ |
765 | ␉␉module = gModuleHead;␊ |
766 | ␊ |
767 | ␉␉while (module != 0)␊ |
768 | ␉␉{␊ |
769 | ␉␉␉if (module->willLoad == 1)␊ |
770 | ␉␉␉{␊ |
771 | ␉␉␉␉prop = XMLGetProperty(module->dict, kPropOSBundleLibraries);␊ |
772 | ␊ |
773 | ␉␉␉␉if (prop != 0)␊ |
774 | ␉␉␉␉{␊ |
775 | ␉␉␉␉␉prop = prop->tag;␊ |
776 | ␊ |
777 | ␉␉␉␉␉while (prop != 0)␊ |
778 | ␉␉␉␉␉{␊ |
779 | ␉␉␉␉␉␉module2 = gModuleHead;␊ |
780 | ␊ |
781 | ␉␉␉␉␉␉while (module2 != 0)␊ |
782 | ␉␉␉␉␉␉{␊ |
783 | ␉␉␉␉␉␉␉prop2 = XMLGetProperty(module2->dict, kPropCFBundleIdentifier);␊ |
784 | ␊ |
785 | ␉␉␉␉␉␉␉if ((prop2 != 0) && (!strcmp(prop->string, prop2->string)))␊ |
786 | ␉␉␉␉␉␉␉{␊ |
787 | ␉␉␉␉␉␉␉␉if (module2->willLoad == 0)␊ |
788 | ␉␉␉␉␉␉␉␉{␊ |
789 | ␉␉␉␉␉␉␉␉␉module2->willLoad = 1;␊ |
790 | ␉␉␉␉␉␉␉␉}␊ |
791 | ␉␉␉␉␉␉␉␉break;␊ |
792 | ␉␉␉␉␉␉␉}␊ |
793 | ␉␉␉␉␉␉␉module2 = module2->nextModule;␊ |
794 | ␉␉␉␉␉␉}␊ |
795 | ␉␉␉␉␉␉prop = prop->tagNext;␊ |
796 | ␉␉␉␉␉}␊ |
797 | ␉␉␉␉}␊ |
798 | ␉␉␉␉module->willLoad = 2;␊ |
799 | ␉␉␉␉done = 0;␊ |
800 | ␉␉␉}␊ |
801 | ␉␉␉module = module->nextModule;␊ |
802 | ␉␉}␊ |
803 | ␉}␊ |
804 | ␉while (!done);␊ |
805 | ␊ |
806 | ␉return 0;␊ |
807 | }␊ |
808 | ␊ |
809 | //==========================================================================␊ |
810 | // FindModule␊ |
811 | ␊ |
812 | #if NOTDEF␊ |
813 | static ModulePtr FindModule( char *name )␊ |
814 | {␊ |
815 | ␉ModulePtr module;␊ |
816 | ␉TagPtr prop;␊ |
817 | ␊ |
818 | ␉module = gModuleHead;␊ |
819 | ␊ |
820 | ␉while (module != 0)␊ |
821 | ␉{␊ |
822 | ␉␉prop = GetProperty(module->dict, kPropCFBundleIdentifier);␊ |
823 | ␊ |
824 | ␉␉if ((prop != 0) && !strcmp(name, prop->string))␊ |
825 | ␉␉{␊ |
826 | ␉␉␉break;␊ |
827 | ␉␉}␊ |
828 | ␊ |
829 | ␉␉module = module->nextModule;␊ |
830 | ␉}␊ |
831 | ␊ |
832 | ␉return module;␊ |
833 | }␊ |
834 | #endif /* NOTDEF */␊ |
835 | ␊ |
836 | //==========================================================================␊ |
837 | // ParseXML␊ |
838 | static long ParseXML( char *buffer, ModulePtr *module, TagPtr *personalities )␊ |
839 | {␊ |
840 | ␉long␉␉length;␊ |
841 | ␉long␉␉pos = 0;␊ |
842 | ␉TagPtr␉␉moduleDict;␊ |
843 | ␉TagPtr␉␉required;␊ |
844 | ␉ModulePtr␉tmpModule;␊ |
845 | ␊ |
846 | ␉while (1)␊ |
847 | ␉{␊ |
848 | ␉␉length = XMLParseNextTag(buffer + pos, &moduleDict);␊ |
849 | ␉␉if (length == -1)␊ |
850 | ␉␉{␊ |
851 | ␉␉␉break;␊ |
852 | ␉␉}␊ |
853 | ␊ |
854 | ␉␉pos += length;␊ |
855 | ␊ |
856 | ␉␉if (moduleDict == 0)␊ |
857 | ␉␉{␊ |
858 | ␉␉␉continue;␊ |
859 | ␉␉}␊ |
860 | ␉␉if (moduleDict->type == kTagTypeDict)␊ |
861 | ␉␉{␊ |
862 | ␉␉␉break;␊ |
863 | ␉␉}␊ |
864 | ␉␉XMLFreeTag(moduleDict);␊ |
865 | ␉}␊ |
866 | ␊ |
867 | ␉if (length == -1)␊ |
868 | ␉{␊ |
869 | ␉␉return -1;␊ |
870 | ␉}␊ |
871 | ␊ |
872 | ␉required = XMLGetProperty(moduleDict, kPropOSBundleRequired);␊ |
873 | ␊ |
874 | ␉if ( (required == 0) || (required->type != kTagTypeString) || !strncmp(required->string, "Safe Boot", sizeof("Safe Boot")))␊ |
875 | ␉{␊ |
876 | ␉␉XMLFreeTag(moduleDict);␊ |
877 | ␉␉return -2;␊ |
878 | ␉}␊ |
879 | ␊ |
880 | ␉tmpModule = malloc(sizeof(Module));␊ |
881 | ␉if (tmpModule == 0)␊ |
882 | ␉{␊ |
883 | ␉␉XMLFreeTag(moduleDict);␊ |
884 | ␉␉return -1;␊ |
885 | ␉}␊ |
886 | ␉tmpModule->dict = moduleDict;␊ |
887 | ␊ |
888 | ␉// For now, load any module that has OSBundleRequired != "Safe Boot".␊ |
889 | ␊ |
890 | ␉tmpModule->willLoad = 1;␊ |
891 | ␊ |
892 | ␉*module = tmpModule;␊ |
893 | ␊ |
894 | ␉// Get the personalities.␊ |
895 | ␊ |
896 | ␉*personalities = XMLGetProperty(moduleDict, kPropIOKitPersonalities);␊ |
897 | ␊ |
898 | ␉return 0;␊ |
899 | }␊ |
900 | ␊ |
901 | #if NOTDEF␊ |
902 | static char gPlatformName[64];␊ |
903 | #endif␊ |
904 | ␊ |
905 | long DecodeKernel(void *binary, entry_t *rentry, char **raddr, int *rsize)␊ |
906 | {␊ |
907 | ␉long ret = 0;␊ |
908 | ␉compressed_kernel_header *kernel_header = (compressed_kernel_header *)binary;␊ |
909 | ␉u_int32_t uncompressed_size = 0, size = 0, adler32 = 0;␊ |
910 | ␉void *buffer = NULL;␊ |
911 | ␉unsigned long len = 0;␊ |
912 | ␊ |
913 | /*#if 0␊ |
914 | ␉printf("kernel header:\n");␊ |
915 | ␉printf("signature: 0x%x\n", kernel_header->signature);␊ |
916 | ␉printf("compress_type: 0x%x\n", kernel_header->compress_type);␊ |
917 | ␉printf("adler32: 0x%x\n", kernel_header->adler32);␊ |
918 | ␉printf("uncompressed_size: 0x%x\n", kernel_header->uncompressed_size);␊ |
919 | ␉printf("compressed_size: 0x%x\n", kernel_header->compressed_size);␊ |
920 | ␉getchar();␊ |
921 | #endif*/␊ |
922 | ␊ |
923 | ␉if (kernel_header->signature == OSSwapBigToHostConstInt32('comp'))␊ |
924 | ␉{␊ |
925 | ␉␉DBG("Decompressing Kernel Cache:\n");␊ |
926 | ␊ |
927 | ␉␉if ((kernel_header->compress_type != OSSwapBigToHostConstInt32('lzss')) &&␊ |
928 | ␉␉␉(kernel_header->compress_type != OSSwapBigToHostConstInt32('lzvn')))␊ |
929 | ␉␉{␊ |
930 | ␉␉␉error("\tERROR: kernel compression is bad!\n");␊ |
931 | ␉␉␉return -1;␊ |
932 | ␉␉}␊ |
933 | ␊ |
934 | ␉␉if (kernel_header->compress_type == OSSwapBigToHostConstInt32('lzss'))␊ |
935 | ␉␉{␊ |
936 | ␉␉␉verbose ("\t- Decompressing Kernel Using lzss\n");␊ |
937 | ␉␉}␊ |
938 | ␊ |
939 | ␉␉if (kernel_header->compress_type == OSSwapBigToHostConstInt32('lzvn'))␊ |
940 | ␉␉{␊ |
941 | ␉␉␉verbose ("\t- Decompressing Kernel Using lzvn\n");␊ |
942 | ␉␉}␊ |
943 | ␊ |
944 | #if NOTDEF␊ |
945 | ␉␉if (kernel_header->platform_name[0] && strcmp(gPlatformName, kernel_header->platform_name))␊ |
946 | ␉␉{␊ |
947 | ␉␉␉return -1;␊ |
948 | ␉␉}␊ |
949 | ␊ |
950 | ␉␉if (kernel_header->root_path[0] && strcmp(gBootFile, kernel_header->root_path))␊ |
951 | ␉␉{␊ |
952 | ␉␉␉return -1;␊ |
953 | ␉␉}␊ |
954 | #endif␊ |
955 | ␉␉uncompressed_size = OSSwapBigToHostInt32(kernel_header->uncompressed_size);␊ |
956 | ␉␉binary = buffer = malloc(uncompressed_size);␊ |
957 | ␊ |
958 | ␉␉// MinusZwei␊ |
959 | ␉␉size = 0;␊ |
960 | ␉␉switch (kernel_header->compress_type)␊ |
961 | ␉␉{␊ |
962 | ␉␉␉case OSSwapBigToHostConstInt32('lzvn'):␊ |
963 | ␉␉␉␉size = lzvn_decode(binary, uncompressed_size, &kernel_header->data[0], OSSwapBigToHostInt32(kernel_header->compressed_size));␊ |
964 | ␉␉␉␉break;␊ |
965 | ␊ |
966 | ␉␉␉case OSSwapBigToHostConstInt32('lzss'):␊ |
967 | ␉␉␉␉size = decompress_lzss((u_int8_t *)binary, uncompressed_size, &kernel_header->data[0], OSSwapBigToHostInt32(kernel_header->compressed_size));␊ |
968 | ␉␉␉␉break;␊ |
969 | ␊ |
970 | ␉␉␉default:␊ |
971 | ␉␉␉␉break;␊ |
972 | ␉␉}␊ |
973 | ␉␉// MinusZwei␊ |
974 | ␊ |
975 | ␉␉if (uncompressed_size != size)␊ |
976 | ␉␉{␊ |
977 | ␉␉␉if ( kernel_header->compress_type == OSSwapBigToHostConstInt32('lzvn'))␊ |
978 | ␉␉␉{␊ |
979 | ␉␉␉␉error("ERROR! Size mismatch from lzvn (found: %x, expected: %x).\n", size, uncompressed_size);␊ |
980 | ␉␉␉}␊ |
981 | ␊ |
982 | ␉␉␉if ( kernel_header->compress_type == OSSwapBigToHostConstInt32('lzss'))␊ |
983 | ␉␉␉{␊ |
984 | ␉␉␉␉error("ERROR! size mismatch from lzss (found: %x, expected: %x).\n", size, uncompressed_size);␊ |
985 | ␉␉␉}␊ |
986 | ␊ |
987 | ␉␉␉return -1;␊ |
988 | ␉␉}␊ |
989 | ␊ |
990 | ␉␉adler32 = Adler32(binary, uncompressed_size);␊ |
991 | ␉␉if (OSSwapBigToHostInt32(kernel_header->adler32) != adler32)␊ |
992 | ␉␉{␊ |
993 | ␉␉␉error("ERROR! Adler mismatch (found: %X, expected: %X).\n", adler32, OSSwapBigToHostInt32(kernel_header->adler32));␊ |
994 | ␉␉␉return -1;␊ |
995 | ␉␉}␊ |
996 | ␊ |
997 | ␉␉DBG("\n");␊ |
998 | ␉}␊ |
999 | ␉␊ |
1000 | ␉ret = ThinFatFile(&binary, &len);␊ |
1001 | ␉if (ret == 0 && len == 0 && archCpuType==CPU_TYPE_X86_64)␊ |
1002 | ␉{␊ |
1003 | ␉␉archCpuType=CPU_TYPE_I386;␊ |
1004 | ␉␉ret = ThinFatFile(&binary, &len);␊ |
1005 | ␉}␊ |
1006 | ␊ |
1007 | ␉// Bungo: scan binary for Darwin Kernel Version string␊ |
1008 | ␉useDarwinVersion = true;␊ |
1009 | ␉uint32_t offset = 0;␊ |
1010 | ␉strncpy(gDarwinBuildVerStr, "Darwin Kernel Version", sizeof(gDarwinBuildVerStr));␊ |
1011 | ␊ |
1012 | ␉while ((offset < 0xFFFFFFFF - (uint32_t)binary - 256) && memcmp(binary + offset, gDarwinBuildVerStr, 21))␊ |
1013 | ␉{␊ |
1014 | ␉␉offset++;␊ |
1015 | ␉}␊ |
1016 | ␉if (offset < 0xFFFFFFFF - (uint32_t)binary - 256)␊ |
1017 | ␉{␊ |
1018 | ␉␉strncpy(gDarwinBuildVerStr, (char *)(binary + offset), sizeof(gDarwinBuildVerStr));␊ |
1019 | ␉}␊ |
1020 | ␉else␊ |
1021 | ␉{␊ |
1022 | ␉␉strcat(gDarwinBuildVerStr, ": Unknown");␊ |
1023 | ␉␉useDarwinVersion = false;␊ |
1024 | ␉}␊ |
1025 | ␉// Micky1979 use Bungo gDarwinBuildVerStr and split into gDarwinMajor, gDarwinMinor and gDarwinRev␊ |
1026 | ␉if (useDarwinVersion)␊ |
1027 | ␉{␊ |
1028 | ␉␉useDarwinVersion = false;␊ |
1029 | ␉␉const char *pattern = strstr(gDarwinBuildVerStr, "Darwin Kernel Version ")+22;␊ |
1030 | ␉␉const char *until = strstr(pattern, ":");␊ |
1031 | ␉␉size_t vlen = until - pattern;␊ |
1032 | ␉␉char *ver = (char *)malloc(sizeof(char)*(len+1));␊ |
1033 | ␉␉strncpy(ver, pattern, vlen);␊ |
1034 | ␉␉ver[vlen] = '\0';␊ |
1035 | ␉␉char *delim;␊ |
1036 | ␉␉char *temp;␊ |
1037 | ␉␉gDarwinMajor = -1; gDarwinMinor = -1; gDarwinRev = -1;␊ |
1038 | ␉␉if (ver != NULL)␊ |
1039 | ␉␉{␊ |
1040 | ␉␉␉temp = ver;␊ |
1041 | ␉␉␉int count = 1;␊ |
1042 | ␉␉␉while ((delim = strsep_c(&ver, ".")) != NULL)␊ |
1043 | ␉␉␉{␊ |
1044 | ␉␉␉␉switch (count)␊ |
1045 | ␉␉␉␉{␊ |
1046 | ␉␉␉␉␉case 1: gDarwinMajor = atoi(delim); break;␊ |
1047 | ␉␉␉␉␉case 2: gDarwinMinor = atoi(delim); break;␊ |
1048 | ␉␉␉␉␉case 3: gDarwinRev = atoi(delim); break;␊ |
1049 | ␉␉␉␉␉default: break;␊ |
1050 | ␉␉␉␉}␊ |
1051 | ␉␉␉␉count ++;␊ |
1052 | ␉␉␉}␊ |
1053 | ␉␉␉free(temp);␊ |
1054 | ␉␉}␊ |
1055 | ␊ |
1056 | ␉␉if (gDarwinMajor >= 0 && gDarwinMinor >= 0 && gDarwinRev >= 0)␊ |
1057 | ␉␉{␊ |
1058 | ␉␉␉useDarwinVersion = true;␊ |
1059 | ␉␉}␊ |
1060 | ␊ |
1061 | ␉␉switch (gDarwinMajor)␊ |
1062 | ␉␉{␊ |
1063 | ␉␉␉case 10:␊ |
1064 | ␉␉␉␉switch (gDarwinMinor)␊ |
1065 | ␉␉␉␉{␊ |
1066 | ␉␉␉␉␉case 0: kernelOSVer = 0xA060000; break;␊ |
1067 | ␉␉␉␉␉case 1: kernelOSVer = 0xA060100; break;␊ |
1068 | ␉␉␉␉␉case 2: kernelOSVer = 0xA060200; break;␊ |
1069 | ␉␉␉␉␉case 3: kernelOSVer = 0xA060300; break;␊ |
1070 | ␉␉␉␉␉case 4: kernelOSVer = 0xA060400; break;␊ |
1071 | ␉␉␉␉␉case 5: kernelOSVer = 0xA060500; break;␊ |
1072 | ␉␉␉␉␉case 6: kernelOSVer = 0xA060600; break;␊ |
1073 | ␉␉␉␉␉case 7: kernelOSVer = 0xA060700; break;␊ |
1074 | ␉␉␉␉␉case 8: kernelOSVer = 0xA060800; break;␊ |
1075 | ␉␉␉␉␉default:kernelOSVer = 0xA060800; break; //Last known kernel␊ |
1076 | ␉␉␉␉}␊ |
1077 | ␉␉␉␉break;␊ |
1078 | ␉␉␉case 11:␊ |
1079 | ␉␉␉␉switch (gDarwinMinor)␊ |
1080 | ␉␉␉␉{␊ |
1081 | ␉␉␉␉␉case 0: kernelOSVer = 0xA070000; break;␊ |
1082 | ␉␉␉␉␉case 1: kernelOSVer = 0xA070100; break;␊ |
1083 | ␉␉␉␉␉case 2: kernelOSVer = 0xA070200; break;␊ |
1084 | ␉␉␉␉␉case 3: kernelOSVer = 0xA070300; break;␊ |
1085 | ␉␉␉␉␉case 4:␊ |
1086 | ␉␉␉␉␉␉switch (gDarwinRev)␊ |
1087 | ␉␉␉␉␉␉{␊ |
1088 | ␉␉␉␉␉␉␉case 0: kernelOSVer = 0xA070400; break;␊ |
1089 | ␉␉␉␉␉␉␉case 1: kernelOSVer = 0xA070400; break;␊ |
1090 | ␉␉␉␉␉␉␉case 2: kernelOSVer = 0xA070500; break;␊ |
1091 | ␉␉␉␉␉␉␉default:kernelOSVer = 0xA070500; break; //Last known kernel␊ |
1092 | ␉␉␉␉␉␉}␊ |
1093 | ␉␉␉␉␉default:kernelOSVer = 0xA070500; break; //Last known kernel␊ |
1094 | ␉␉␉␉}␊ |
1095 | ␉␉␉␉break;␊ |
1096 | ␉␉␉case 12:␊ |
1097 | ␉␉␉␉switch (gDarwinMinor)␊ |
1098 | ␉␉␉␉{␊ |
1099 | ␉␉␉␉␉case 0: kernelOSVer = 0xA080000; break;␊ |
1100 | ␉␉␉␉␉case 1: kernelOSVer = 0xA080100; break;␊ |
1101 | ␉␉␉␉␉case 2: kernelOSVer = 0xA080200; break;␊ |
1102 | ␉␉␉␉␉case 3: kernelOSVer = 0xA080300; break;␊ |
1103 | ␉␉␉␉␉case 4: kernelOSVer = 0xA080400; break;␊ |
1104 | ␉␉␉␉␉case 5: kernelOSVer = 0xA080500; break; // 10.8.5␊ |
1105 | ␉␉␉␉␉case 6: kernelOSVer = 0xA080500; break; // 10.8.5 update␊ |
1106 | ␉␉␉␉␉default:kernelOSVer = 0xA080500; break; //Last known kernel␊ |
1107 | ␉␉␉␉}␊ |
1108 | ␉␉␉␉break;␊ |
1109 | ␉␉␉case 13:␊ |
1110 | ␉␉␉␉switch (gDarwinMinor)␊ |
1111 | ␉␉␉␉{␊ |
1112 | ␉␉␉␉␉case 0: kernelOSVer = 0xA090000;␊ |
1113 | ␉␉␉␉␉switch (gDarwinRev)␊ |
1114 | ␉␉␉␉␉{␊ |
1115 | ␉␉␉␉␉␉case 0: kernelOSVer = 0xA090000; break;␊ |
1116 | ␉␉␉␉␉␉case 1: kernelOSVer = 0xA090000; break; // never exist (or released)␊ |
1117 | ␉␉␉␉␉␉case 2: kernelOSVer = 0xA090100; break;␊ |
1118 | ␉␉␉␉␉␉default:kernelOSVer = 0xA090100; break; //Last known kernel␊ |
1119 | ␉␉␉␉␉}␊ |
1120 | ␉␉␉␉␉␉break;␊ |
1121 | ␉␉␉␉␉case 1: kernelOSVer = 0xA090100; break; // never exist (or released)␊ |
1122 | ␉␉␉␉␉case 2: kernelOSVer = 0xA090200; break;␊ |
1123 | ␉␉␉␉␉case 3: kernelOSVer = 0xA090300; break;␊ |
1124 | ␉␉␉␉␉case 4: kernelOSVer = 0xA090400; break;␊ |
1125 | ␉␉␉␉␉case 5: kernelOSVer = 0xA090500; break;␊ |
1126 | ␉␉␉␉␉default:kernelOSVer = 0xA090500; break; //Last known kernel␊ |
1127 | ␉␉␉␉}␊ |
1128 | ␉␉␉␉break;␊ |
1129 | ␉␉␉case 14:␊ |
1130 | ␉␉␉␉switch (gDarwinMinor)␊ |
1131 | ␉␉␉␉{␊ |
1132 | ␉␉␉␉␉case 0: kernelOSVer = 0xA0A0000; break; // same kernel of 10.10.1␊ |
1133 | ␉␉␉␉␉case 1: kernelOSVer = 0xA0A0100; break; // same kernel of 10.10␊ |
1134 | ␉␉␉␉␉case 2: kernelOSVer = 0xA0A0200; break;␊ |
1135 | ␉␉␉␉␉case 3: kernelOSVer = 0xA0A0300; break;␊ |
1136 | ␉␉␉␉␉case 4: kernelOSVer = 0xA0A0400; break;␊ |
1137 | ␉␉␉␉␉case 5: kernelOSVer = 0xA0A0500; break;␊ |
1138 | ␉␉␉␉␉default:kernelOSVer = 0xA0A0500; break; //Last known kernel␊ |
1139 | ␉␉␉␉}␊ |
1140 | ␉␉␉␉break;␊ |
1141 | ␉␉␉case 15:␊ |
1142 | ␉␉␉␉switch (gDarwinMinor)␊ |
1143 | ␉␉␉␉{␊ |
1144 | ␉␉␉␉␉case 0: kernelOSVer = 0xA0B0000; break;␊ |
1145 | ␉␉␉␉␉case 1: kernelOSVer = 0xA0B0100; break;␊ |
1146 | ␉␉␉␉␉case 2: kernelOSVer = 0xA0B0200; break;␊ |
1147 | ␉␉␉␉␉case 3: kernelOSVer = 0xA0B0300; break;␊ |
1148 | ␉␉␉␉␉case 4: kernelOSVer = 0xA0B0400; break;␊ |
1149 | ␉␉␉␉␉case 5: kernelOSVer = 0xA0B0500; break;␊ |
1150 | ␉␉␉␉␉case 6: kernelOSVer = 0xA0B0600; break;␊ |
1151 | ␉␉␉␉␉default:kernelOSVer = 0xA0B0600; break; //Last known kernel (add here updates)␊ |
1152 | ␉␉␉␉}␊ |
1153 | ␉␉␉␉break;␊ |
1154 | ␉␉␉case 16:␊ |
1155 | ␉␉␉␉switch (gDarwinMinor)␊ |
1156 | ␉␉␉␉{␊ |
1157 | ␉␉␉␉␉case 0: kernelOSVer = 0xA0C0000; break;␊ |
1158 | ␉␉␉␉␉default:kernelOSVer = 0xA0C0000; break; //Last known kernel (add here updates)␊ |
1159 | ␉␉␉␉}␊ |
1160 | ␉␉␉␉break;␊ |
1161 | ␉␉␉default:␊ |
1162 | ␉␉␉␉kernelOSVer = 0xA0B0100;␊ |
1163 | ␉␉␉␉break; //Last known kernel␊ |
1164 | ␉␉␉}␊ |
1165 | ␉␉}␊ |
1166 | ␉␉else␊ |
1167 | ␉␉{␊ |
1168 | ␉␉␉switch (MacOSVerCurrent)␊ |
1169 | ␉␉␉{␊ |
1170 | ␉␉␉// Snow␊ |
1171 | ␉␉␉case 0xA060000: gDarwinMajor = 10; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.6␊ |
1172 | ␉␉␉case 0xA060100: gDarwinMajor = 10; gDarwinMinor = 1; gDarwinRev = 0; break; // 10.6.1␊ |
1173 | ␉␉␉case 0xA060200: gDarwinMajor = 10; gDarwinMinor = 2; gDarwinRev = 0; break; // 10.6.2␊ |
1174 | ␉␉␉case 0xA060300: gDarwinMajor = 10; gDarwinMinor = 3; gDarwinRev = 0; break; // 10.6.3␊ |
1175 | ␉␉␉case 0xA060400: gDarwinMajor = 10; gDarwinMinor = 4; gDarwinRev = 0; break; // 10.6.4␊ |
1176 | ␉␉␉case 0xA060500: gDarwinMajor = 10; gDarwinMinor = 5; gDarwinRev = 0; break; // 10.6.5␊ |
1177 | ␉␉␉case 0xA060600: gDarwinMajor = 10; gDarwinMinor = 6; gDarwinRev = 0; break; // 10.6.6␊ |
1178 | ␉␉␉case 0xA060700: gDarwinMajor = 10; gDarwinMinor = 7; gDarwinRev = 0; break; // 10.6.7␊ |
1179 | ␉␉␉case 0xA060800: gDarwinMajor = 10; gDarwinMinor = 8; gDarwinRev = 0; break; // 10.6.8␊ |
1180 | ␉␉␉// Lion␊ |
1181 | ␉␉␉case 0xA070000: gDarwinMajor = 11; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.7␊ |
1182 | ␉␉␉case 0xA070100: gDarwinMajor = 11; gDarwinMinor = 1; gDarwinRev = 0; break; // 10.7.1␊ |
1183 | ␉␉␉case 0xA070200: gDarwinMajor = 11; gDarwinMinor = 2; gDarwinRev = 0; break; // 10.7.2␊ |
1184 | ␉␉␉case 0xA070300: gDarwinMajor = 11; gDarwinMinor = 3; gDarwinRev = 0; break; // 10.7.3␊ |
1185 | ␉␉␉case 0xA070400: gDarwinMajor = 11; gDarwinMinor = 4; gDarwinRev = 0; break; // 10.7.4␊ |
1186 | ␉␉␉case 0xA070500: gDarwinMajor = 11; gDarwinMinor = 4; gDarwinRev = 2; break; // 10.7.5␊ |
1187 | ␉␉␉// ML␊ |
1188 | ␉␉␉case 0xA080000: gDarwinMajor = 12; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.8␊ |
1189 | ␉␉␉case 0xA080100: gDarwinMajor = 12; gDarwinMinor = 1; gDarwinRev = 0; break; // 10.8.1␊ |
1190 | ␉␉␉case 0xA080200: gDarwinMajor = 12; gDarwinMinor = 2; gDarwinRev = 0; break; // 10.8.2␊ |
1191 | ␉␉␉case 0xA080300: gDarwinMajor = 12; gDarwinMinor = 3; gDarwinRev = 0; break; // 10.8.3␊ |
1192 | ␉␉␉case 0xA080400: gDarwinMajor = 12; gDarwinMinor = 4; gDarwinRev = 0; break; // 10.8.4␊ |
1193 | ␉␉␉case 0xA080500: gDarwinMajor = 12; gDarwinMinor = 5; gDarwinRev = 0; break; // 10.8.5␊ |
1194 | ␉␉␉// Mavericks␊ |
1195 | ␉␉␉case 0xA090000: gDarwinMajor = 13; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.9␊ |
1196 | ␉␉␉case 0xA090100: gDarwinMajor = 13; gDarwinMinor = 1; gDarwinRev = 0; break; // 10.9.1␊ |
1197 | ␉␉␉case 0xA090200: gDarwinMajor = 13; gDarwinMinor = 2; gDarwinRev = 0; break; // 10.9.2␊ |
1198 | ␉␉␉case 0xA090300: gDarwinMajor = 13; gDarwinMinor = 3; gDarwinRev = 0; break; // 10.9.3␊ |
1199 | ␉␉␉case 0xA090400: gDarwinMajor = 13; gDarwinMinor = 4; gDarwinRev = 0; break; // 10.9.4␊ |
1200 | ␉␉␉case 0xA090500: gDarwinMajor = 13; gDarwinMinor = 5; gDarwinRev = 0; break; // 10.9.5␊ |
1201 | ␉␉␉// Yosemite␊ |
1202 | ␉␉␉case 0xA0A0000: gDarwinMajor = 14; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.10␊ |
1203 | ␉␉␉case 0xA0A0100: gDarwinMajor = 14; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.10.1␊ |
1204 | ␉␉␉case 0xA0A0200: gDarwinMajor = 14; gDarwinMinor = 2; gDarwinRev = 0; break; // 10.10.2␊ |
1205 | ␉␉␉case 0xA0A0300: gDarwinMajor = 14; gDarwinMinor = 3; gDarwinRev = 0; break; // 10.10.3␊ |
1206 | ␉␉␉case 0xA0A0400: gDarwinMajor = 14; gDarwinMinor = 4; gDarwinRev = 0; break; // 10.10.4␊ |
1207 | ␉␉␉case 0xA0A0500: gDarwinMajor = 14; gDarwinMinor = 5; gDarwinRev = 0; break; // 10.10.5␊ |
1208 | ␉␉␉// El Capitan␊ |
1209 | ␉␉␉case 0xA0B0000: gDarwinMajor = 15; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.11␊ |
1210 | ␉␉␉case 0xA0B0100: gDarwinMajor = 15; gDarwinMinor = 1; gDarwinRev = 0; break; // 10.11.1␊ |
1211 | ␉␉␉case 0xA0B0200: gDarwinMajor = 15; gDarwinMinor = 2; gDarwinRev = 0; break; // 10.11.2␊ |
1212 | ␉␉␉case 0xA0B0300: gDarwinMajor = 15; gDarwinMinor = 3; gDarwinRev = 0; break; // 10.11.3␊ |
1213 | ␉␉␉case 0xA0B0400: gDarwinMajor = 15; gDarwinMinor = 4; gDarwinRev = 0; break; // 10.11.4␊ |
1214 | ␉␉␉case 0xA0B0500: gDarwinMajor = 15; gDarwinMinor = 5; gDarwinRev = 0; break; // 10.11.5␊ |
1215 | ␉␉␉case 0xA0B0600: gDarwinMajor = 15; gDarwinMinor = 6; gDarwinRev = 0; break; // 10.11.6␊ |
1216 | ␉␉␉// Sierra␊ |
1217 | ␉␉␉case 0xA0C0000: gDarwinMajor = 16; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.12␊ |
1218 | ␉␉␉// default = last known kernel␊ |
1219 | ␉␉␉default: gDarwinMajor = 16; gDarwinMinor = 0; gDarwinRev = 0; break; // 10.12;␊ |
1220 | ␉␉}␊ |
1221 | ␉}␊ |
1222 | ␊ |
1223 | ␉// Notify modules that the kernel has been decompressed, thinned and is about to be decoded␊ |
1224 | ␉execute_hook("DecodeKernel", (void *)binary, NULL, NULL, NULL);␊ |
1225 | ␊ |
1226 | /* ================================================================ */␊ |
1227 | ␊ |
1228 | ␉// Entry point␊ |
1229 | ␊ |
1230 | /* ================================================================ */␊ |
1231 | ␊ |
1232 | ␉ret = DecodeMachO(binary, rentry, raddr, rsize);␊ |
1233 | ␉if (ret < 0 && archCpuType == CPU_TYPE_X86_64)␊ |
1234 | ␉{␊ |
1235 | ␉␉archCpuType = CPU_TYPE_I386;␊ |
1236 | ␉␉ret = DecodeMachO(binary, rentry, raddr, rsize);␊ |
1237 | ␉}␊ |
1238 | ␊ |
1239 | ␉return ret;␊ |
1240 | }␊ |
1241 | |